//
//  Factory.h
//  BaseProject
//
//  Created by 孟瑞瑞 on 18/05/5.
//  Copyright © 2018年 CSDN. All rights reserved.
//
//工具类，主要是在导航栏上面添加按钮

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>


@interface Factory : NSObject

/*向某个控制器上,添加返回按钮*/
+ (void)addBlackItemToVC:(UIViewController *)vc;

@end
